26.13 Red cell folate (categories 2)
Over detection limit (360 to 1789 vs >=1790).
26.13.1 Global tests
Type III ANOVA on main and interaction effects, and LM model summaries.
| Chisq | Df | Pr(>Chisq) | ||
|---|---|---|---|---|
| (Intercept) | 180.256937 | 1 | <0.0001 | *** |
| rcfolate_gp2 | 4.092289 | 1 | 0.04 | * |
| GA_samp | 71.304099 | 1 | <0.0001 | *** |
| Chisq | Df | Pr(>Chisq) | ||
|---|---|---|---|---|
| (Intercept) | 42.3880663 | 1 | <0.0001 | *** |
| rcfolate_gp2 | 0.2369317 | 1 | 0.6 | ns |
| GA_samp | 1115.0372969 | 1 | <0.0001 | *** |
| Chisq | Df | Pr(>Chisq) | ||
|---|---|---|---|---|
| (Intercept) | 424.0485398 | 1 | <0.0001 | *** |
| rcfolate_gp2 | 0.0362665 | 1 | 0.8 | ns |
| GA_samp | 553.8496342 | 1 | <0.0001 | *** |
| model term | df1 | df2 | F.ratio | Chisq | p.value | |
|---|---|---|---|---|---|---|
| rcfolate_gp2 | 1 | Inf | 5.039 | 5.039 | 0.02 | * |
| GA_samp | 1 | Inf | 0.370 | 0.370 | 0.5 | ns |
| model term | df1 | df2 | F.ratio | Chisq | p.value | |
|---|---|---|---|---|---|---|
| rcfolate_gp2 | 1 | Inf | 5.570 | 5.570 | 0.02 | * |
| GA_samp | 1 | Inf | 0.271 | 0.271 | 0.6 | ns |
| model term | df1 | df2 | F.ratio | Chisq | p.value | |
|---|---|---|---|---|---|---|
| rcfolate_gp2 | 1 | Inf | 4.972 | 4.972 | 0.03 | * |
| GA_samp | 1 | Inf | 1.108 | 1.108 | 0.3 | ns |
26.13.2 Model summary
Ratio of Geometric means (95% CI)
| Var | Effect | P |
|---|---|---|
| (Intercept) | 15.04 (10.13, 22.34) | <0.0001 |
| rcfolate_gp2≥1790 | 1.14 (1.00, 1.29) | 0.04 |
| GA_samp | 1.15 (1.11, 1.18) | <0.0001 |
| Var | Effect | P |
|---|---|---|
| (Intercept) | 2.00 (1.62, 2.46) | <0.0001 |
| rcfolate_gp2≥1790 | 1.02 (0.95, 1.09) | 0.63 |
| GA_samp | 1.35 (1.33, 1.37) | <0.0001 |
| Var | Effect | P |
|---|---|---|
| (Intercept) | 0.05 (0.03, 0.06) | <0.0001 |
| rcfolate_gp2≥1790 | 0.99 (0.90, 1.09) | 0.85 |
| GA_samp | 1.35 (1.32, 1.38) | <0.0001 |
| Var | Effect | P |
|---|---|---|
| (Intercept) | 8.46 (5.22, 13.72) | <0.0001 |
| rcfolate_gp2≥1790 | 1.23 (1.03, 1.47) | 0.02 |
| GA_samp | 1.01 (0.97, 1.06) | 0.54 |
| Var | Effect | P |
|---|---|---|
| (Intercept) | 1.80 (1.09, 2.96) | 0.02 |
| rcfolate_gp2≥1790 | 1.25 (1.04, 1.51) | 0.02 |
| GA_samp | 1.01 (0.97, 1.06) | 0.60 |
| Var | Effect | P |
|---|---|---|
| (Intercept) | 4.89 (4.46, 5.36) | <0.0001 |
| rcfolate_gp2≥1790 | 1.06 (1.01, 1.12) | 0.03 |
| GA_samp | 1.00 (0.99, 1.00) | 0.29 |
26.13.3 Diagnostics
Model diagnositcs.
Diagnositcs for PRL (ng/ml)
Diagnositcs for hPL (μg/ml)
Diagnositcs for GH2 (ng/ml)
Diagnositcs for Insulin (uU/ml)
Diagnositcs for HOMA-IR
Diagnositcs for Glucose (mmol/L)
26.13.4 Estimated marginal means
| Outcome | rcfolate_gp2 | response | SE | df | lower.CL | upper.CL |
|---|---|---|---|---|---|---|
| PRL (ng/ml) | 360 to 1789 | 72.674 | 5.958 | 63.383 | 61.693 | 85.609 |
| PRL (ng/ml) | ≥1790 | 82.714 | 7.863 | 110.212 | 68.511 | 99.861 |
| hPL (μg/ml) | 360 to 1789 | 62.143 | 1.865 | 51.975 | 58.510 | 66.001 |
| hPL (μg/ml) | ≥1790 | 63.218 | 2.526 | 144.272 | 58.417 | 68.414 |
| GH2 (ng/ml) | 360 to 1789 | 1.449 | 0.052 | 61.530 | 1.348 | 1.558 |
| GH2 (ng/ml) | ≥1790 | 1.435 | 0.075 | 206.783 | 1.295 | 1.590 |
| Insulin (uU/ml) | 360 to 1789 | 9.833 | 0.351 | Inf | 9.168 | 10.545 |
| Insulin (uU/ml) | ≥1790 | 12.070 | 1.012 | Inf | 10.241 | 14.226 |
| HOMA-IR | 360 to 1789 | 2.052 | 0.077 | Inf | 1.906 | 2.210 |
| HOMA-IR | ≥1790 | 2.570 | 0.224 | Inf | 2.166 | 3.050 |
| Glucose (mmol/L) | 360 to 1789 | 4.669 | 0.039 | Inf | 4.593 | 4.747 |
| Glucose (mmol/L) | ≥1790 | 4.954 | 0.125 | Inf | 4.715 | 5.204 |
26.13.6 Post-hoc comparisons
| Outcome | Contrast | Ratio of Geometric means (95% CI) | P-value |
|---|---|---|---|
| PRL (ng/ml) | ≥1790 / 360 to 1789 | 1.14 (1.00, 1.29) | 0.04 |
| hPL (μg/ml) | ≥1790 / 360 to 1789 | 1.02 (0.95, 1.09) | 0.6 |
| GH2 (ng/ml) | ≥1790 / 360 to 1789 | 0.99 (0.90, 1.09) | 0.8 |
| Insulin (uU/ml) | ≥1790 / 360 to 1789 | 1.23 (1.03, 1.47) | 0.02 |
| HOMA-IR | ≥1790 / 360 to 1789 | 1.25 (1.04, 1.51) | 0.02 |
| Glucose (mmol/L) | ≥1790 / 360 to 1789 | 1.06 (1.01, 1.12) | 0.03 |